1. Effect of cooling rate on microstructure Figure 1 shows the microstructure of the coarse-grained zone in steel castings produced […]
With the development and progress of technology, the use of environments such as low temperature, heavy load, and impact has
1. Pre simulation processing After completing the drawing of the sand casting pouring system, ProCAST software is used to divide
After completing all production processes, the casting products manufacturer’s steel products must be inspected and qualified by the manufacturing party,
1. Chemical composition The shell sand casting adopts ZG270-500 alloy, which has certain plasticity and toughness, high strength and hardness,
Steel castings are widely used in mining machinery, transportation, locomotive traction, lifting machinery, and wind power fields. Due to its
1. Steel castings manufacturer conduct trial production of anvil castings 1.1 Production of foam pattern The pattern is designed in
The anvil produced by steel castings manufacturer is an important supporting component of forging hammers, and its working process is
1. Test results Workmanship Standards Tensile strength (≥ 655)/MPa Yield strength (≥ 551)/MPa Elongation (≥ 18)/% Reduction of area (≥
1. Quality heat treatment welding process after welding According to the commonly used welding specifications for steel castings, ASME IX
The research project product is a cast steel component for the supporting shell of a large-scale oil and gas wellhead
Blowout preventer is one of the important well control equipment, which is used to control the wellhead pressure during drilling,
Sustainable manufacturing practices are becoming increasingly important in the casting industry, including sand casting. Several manufacturers are actively embracing environmental
1. For shrinkage and crack defects around the shaft hole For defects such as shrinkage and cracks around the shaft
Based on the above investigation, it is determined that the fracture at the axle hole of the front support steel
The fracture location is at the hole of the front support steel casting, where the design safety factor is relatively
From Figure 1, it can be seen that the upper part of the front support steel casting shaft hole is
The production process of front support steel castings is as follows: molding – melting – casting – unpacking – sand
Certain type of 30t excavator has experienced several instances of cracking and failure of the front support during casting. The
The acceleration of urbanization in China has promoted the increasing demand for infrastructure construction such as highways and railways, as
As of 2024, several leading companies are prominent in the sand casting industry, each with its unique strengths and market
1. Process Measures (1) The riser on the long platform of the support steel casting was originally placed in the
1. Basic information of steel castings Support type steel castings, material: ZG310-570, unit weight: 12.8kg, structural characteristics: support structure, with
After pouring, the internal quality and surface quality of the IP inner cylinder steel casting meet the technical requirements, which
CAE simulation of casting process can increase design functions, reduce design costs, and shorten design cycles; And continuously optimize the
Casting defects can occur during the manufacturing process and can negatively impact the quality and performance of the final cast
Due to the small space and large wall thickness in the steam inlet chamber of the inner chamber of the
Due to the adoption of a wall riser process for the medium pressure inner cylinder steel casting, the main core
In order to achieve feeding of the riser to the casting, it is necessary to ensure that the solidification time
Due to the high pouring temperature of steel castings, which typically ranges from 1520 to 1620 ℃, the surface of
